Thought Lab 4.5: Leopard Frogs: One Species or Seven? Listen to the calls and view photographs of the northern leopard frog and the southern leopard frog at the three web sites listed. Note: Some of the calls require QuickTime, which you may need to download (free). Other sites provide sound files that you can download and play using any sound/video player.
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| Frogwatch Canada |
| (
http://www.naturewatch.ca
) |
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| Herps of Texas |
| Herps of Texas (
http://www.zo.utexas.edu/research/txherps/frogs/calls.html
) |
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| Northern Prairie Wildlife Research Center |
| Northern Prairie Wildlife Research Center (
http://www.npwrc.usgs.gov/narcam/idguide/index2.htm
) |
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| All About Frogs |
| This web page would not be suitable for students, but teachers can download two sound files from it. (
http://allaboutfrogs.org/weird/general/songs.html
) |
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| Habitat Project |
| This web page has sound files for northern frog and plains frog. (
http://www.habitatproject.org/default.asp?cid=20
) |
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| Mid-West Frogs |
| This web page is highly recommended; it has two video files for northern and southern frogs. (
http://www.midwestfrogs.com/
) |
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| U.S. Geological Survey site |
| This is the U.S. Geological Survey site and has excellent resources as well as images showing dorsa-lateral patterns of various
frogs. (
http://www.npwrc.usgs.gov/narcam/idguide/dlridge.htm
) |
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| Canadian Environmental Assessment Agency |
| For more information on EIA's in Canada (
http://www.ceaa-acee.gc.ca/010/basics_e.htm
) |
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| Invasive Species in BC |
| Further background information on other invasive species in BC. (
http://www.cpawsbc.org/pdfs/invasive_species.pdf
) |
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| The Global Invasive Species Initiative from the Nature Conservancy |
| Includes information on white pine blister rust, Dutch elm disease, etc. (
http://tncweeds.ucdavis.edu/products/gallery/crori1.html
) |
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| Alberta's Endangered Species Conservation Committee |
| For more reading on endangered species. (
http://www.srd.gov.ab.ca/fw/escc/aaisar.html
) |
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| Species at Risk Act Public Registry |
| For information on the Species at Risk Act. (
http://www.sararegistry.gc.ca/the_act/HTML/Guide_e.cfm#listed
) |
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| Antibiotic Resistant Germs – Health Canada |
| Visit this site for a good description of the problem of antibiotic resistant germs. (
http://www.hc-sc.gc.ca/iyh-vsv/med/antibio_e.html
) |
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| Attack of the Superbugs – Antibiotic Resistance |
| Read about how the overuse of antibiotics has led to antibiotic resistance and find out what solutions might help with the problem. (
http://www.bioteach.ubc.ca/Biodiversity/AttackOfTheSuperbugs/
) |
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| Canadian Committee on Antibiotic Resistance |
| Visit this site designed to provide information for health care workers, patients, and others who can help prevent antibiotic resistance. (
http://www.ccar-ccra.com/
) |
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| Antibiotic Resistance – U.S. Food and Drug Administration |
| Visit this site to learn more about antibiotic resistance, and read articles related to the issue. (
http://www.fda.gov/oc/opacom/hottopics/anti_resist.html
) |
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Page 130 The theory of plate tectonics, developed by geologists and paleontologists, explains how the locations of continents have changed over Earth’s history. What pivotal role did Canadian geologist John Tuzo Wilson play in formulating this theory? How does this theory support the theory of evolution by natural selection?
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| The Vetlesen Prize |
| Biography of John Tuzo Wilson (
http://www.ldeo.columbia.edu/vetlesen/recipients/1978/wilson_bio.html
) |
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| Tuzo Wilson Proves that the Earth Moves |
| In 1965, Nature published a paper written by Canadian scientist John Tuzo Wilson. The article revolutionized our understanding of Earth.
Wilson's explanation of plate tectonics has been called "one of the century's five major advances in science." (
http://www.thecanadianencyclopedia.com/PrinterFriendly.cfm?Params=A1ARTFET_E62
) |
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| science.ca |
| More information about John Tuzo Wilson from a Canadian science perspective. (
http://www.science.ca/scientists/scientistprofile.php?pID=232
) |
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